Hi Andreas, > The client opens two sockets (one REQUEST and one REPLY socket). > Then, it connects the REQUEST socket to the server's REPLY socket > and sends a register message. Afterwards it should wait for the server's > reply. To deal with crashing servers, I used zmq_poll() with a 5 seconds > timeout. The problem now is that the zmq_poll() immediately returns > with return code 0 (timeout occured) and no errno is set. > > If I use -1 as timeout instead, everthing runs fine. If I use a sleep(1) > before the poll, everything is okay, too. > > The REPLY socket has no problem with the zmq_poll() function. It > behaves exactly as it should do.
See the docs: "If none of the requested events have occured on any zmq_pollitem_t item, zmq_poll() shall wait up to timeout microseconds for an event to occur on any of the requested items." Notice the "up to" part. zmq_poll can exit earlier but should never exit later than the timeout specified. Martin _______________________________________________ zeromq-dev mailing list [email protected] http://lists.zeromq.org/mailman/listinfo/zeromq-dev
